Rotor noise reduction using signal processing
AssigneeKitty Hawk Corporation
InventorCameron Robertson
Life of this patent
Estimating the term…
Abstract
A takeoff location and a landing location are received for an autonomous vertical takeoff and landing (VTOL) vehicle that includes a plurality of rotors. An autonomous and noise-reduced flight trajectory for the autonomous VTOL vehicle is determined based at least in part on the takeoff location, the landing location, a jerk function, and a noise function, including by minimizing the jerk function and minimizing the noise function. A set of one or more desired forces or moments is determined for the autonomous VTOL vehicle based at least in part on autonomous and noise-reduced flight trajectory. A plurality of motor control signals is determined for the plurality of rotors based at least in part on the set of one or more desired forces or moments.
Claims20
A system, comprising:
- a memory;
- and
- a processor coupled to the memory and configured to:
- receive a takeoff location and a landing location for an autonomous vertical takeoff and landing (VTOL) vehicle that includes a plurality of rotors;
- determine an autonomous and noise-reduced flight trajectory for the autonomous VTOL vehicle based at least in part on the takeoff location, the landing location, a jerk function, and a noise function, including by minimizing the jerk function and minimizing the noise function;
- determine a set of one or more desired forces or moments for the autonomous VTOL vehicle based at least in part on autonomous and noise-reduced flight trajectory;
- and
- determine a plurality of motor control signals for the plurality of rotors based at least in part on the set of one or more desired forces or moments.
A method, comprising:
- receiving a takeoff location and a landing location for an autonomous vertical takeoff and landing (VTOL) vehicle that includes a plurality of rotors;
- determining an autonomous and noise-reduced flight trajectory for the autonomous VTOL vehicle based at least in part on the takeoff location, the landing location, a jerk function, and a noise function, including by minimizing the jerk function and minimizing the noise function;
- determining a set of one or more desired forces or moments for the autonomous VTOL vehicle based at least in part on autonomous and noise-reduced flight trajectory;
- and
- determining a plurality of motor control signals for the plurality of rotors based at least in part on the set of one or more desired forces or moments.
Dependencies are inferred from the claim text.